Mabon ( Autumn Equinox) The Solar reflects the life cycle of the God. At the Autumn Equinox the Earths power wanes, and the God prepares for death and his entry into the underworld. The Celts celebrate Mabon the ` Great Son` a Sun god, revered as the light in the darkness and the underworld. Blank Inside 10cm X 15cm. PARTS OF THIS IMAGE HAS BEEN CENSORED FOR DISPLAY PURPOSE AND NOT TO OFFEND.